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Individual Calculations September 2019 |
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| Costin, Petrica Total change: -99.00 | |   |
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| Arad Open 2019 | Arad | ROU | 2019-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 2127 | 3.00 | 7 | -2.32 | 20 | -46.40 | |
|  Petricenco, Ana | | | 1727 * | MDA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Svetushkin, Dmitry | g | | 2527 * | MDA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Paraschiv, Petronela-Alexandra | | | 1810 | ROU | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Zanfir, Iulian | | | 1727 * | ROU | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Veron, Andrei-Stefan | | | 1833 | ROU | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Nagy, Gabor | | | 1862 | HUN | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Panc, Samuel | | | 1821 | ROU | 0.00 | 1 | -0.86 | 20 | -17.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Int. Chess Festival Satu Mare - Iuliu Szabo Memorial | Satu Mare | ROU | 2019-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1799 | 2127 | 0.00 | 3 | -2.63 | 20 | -52.60 | |
| | Gulyas, Ferenc | | | 1780 | HUN | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Fugulyan, Grigore | | | 1847 | ROU | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Polner, Iosif | | | 1769 | ROU | 0.00 | 1 | -0.90 | 20 | -18.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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